feat: add reasoning tests (#856)

tests/auth.setup.ts

@@ -0,0 +1,24 @@
+import path from 'path';
+import { generateId } from 'ai';
+import { getUnixTime } from 'date-fns';
+import { expect, test as setup } from '@playwright/test';
+
+const authFile = path.join(__dirname, '../playwright/.auth/session.json');
+
+setup('authenticate', async ({ page }) => {
+  const testEmail = `test-${getUnixTime(new Date())}@playwright.com`;
+  const testPassword = generateId(16);
+
+  await page.goto('http://localhost:3000/register');
+  await page.getByPlaceholder('user@acme.com').click();
+  await page.getByPlaceholder('user@acme.com').fill(testEmail);
+  await page.getByLabel('Password').click();
+  await page.getByLabel('Password').fill(testPassword);
+  await page.getByRole('button', { name: 'Sign Up' }).click();
+
+  await expect(page.getByTestId('toast')).toContainText(
+    'Account created successfully!',
+  );
+
+  await page.context().storageState({ path: authFile });
+});